Homework Statement
A particle at rest with mass M decays into 2 particles, one with mass m1 and the other with mass m2. Use conservation of energy and momentum to show that E1=((M^2+m1^2-m2^2)c^2)/(2M)Homework Equations
E=√((p^2)(c^2)+(m^2)(c^4))=γmc^2
p=γmv
The Attempt at a Solution
Energy...